ClickHouse/tests/integration/test_replica_can_become_leader/test.py

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import pytest
from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', main_configs=['configs/notleader.xml'], with_zookeeper=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/notleaderignorecase.xml'], with_zookeeper=True)
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node3 = cluster.add_instance('node3', with_zookeeper=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
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for i, node in enumerate((node1, node2)):
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node.query(
'''
CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_table', '{}')
PARTITION BY date ORDER BY id
'''.format(i)
)
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with pytest.raises(QueryRuntimeException):
node3.query(
'''
CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_table', '{}')
PARTITION BY date ORDER BY id SETTINGS replicated_can_become_leader=0sad
'''.format(3)
)
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yield cluster
finally:
cluster.shutdown()
def test_can_become_leader(start_cluster):
assert node1.query("select can_become_leader from system.replicas where table = 'test_table'") == '0\n'
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assert node2.query("select can_become_leader from system.replicas where table = 'test_table'") == '0\n'